Chapter 12, 13, 14 Exam .

Bipolar leads Electrocardiograms are normally recorded with the paper moving at a speed of 25 mm/sec Chest lead V2 is located at the Fourth intercostal space at the left margin of the sternum Where is the chest lead V5 located? At the horizontal level of V4 at the left anterior axillary line What are artifacts? Additional electrical activity picked up by the electrocardiograph Which of the following artifacts appears as small, straight spiked lines that are consistent in nature? Alternating current All of the following may result in muscle artifacts EXCEPT Electrodes that have come loose Which of the following may cause a 60-cycle interference artifact? Lead wires not following body contour Which of the following represents an error in technique when running an electrocardiogram? Positioning the machine so that the power cord runs under the patient table Holter monitor electrocardiography is used to: Detect cardiac dysrhythmias that are intermittent in nature Assess the functioning of an artificial pacemaker Evaluate patients with unexplained syncope Assess the effectiveness of dysrhythmic medications